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kobusy [5.1K]
3 years ago
10

21 plus 4x equal 61 what equal 61

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

x = 10

Step-by-step explanation:

61 - 21 = 40
40 / 4 = 10
x = 10

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3n - 5 =22 what is the value of n
mamaluj [8]

Answer:

n = 9

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

3n - 5 = 22

<u>Step 2: Solve for </u><em><u>n</u></em>

  1. Add 5 to both sides:                    3n = 27
  2. Divide 3 on both sides:               n = 9
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Nutka1998 [239]
( 5+2 ) x 9 equals 63 which is the same thing as 7x9
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